Normal driving shifting RPMs?
Posting Guru
Joined: Apr 2008
Posts: 1,614
Likes: 0
i got them from agnem on oilburners, all it takes is a 18 dollar spring and you can choose any prm you want, and i could tell you how to put it in its not hard at all, and there supose to be making a tach article over there about it
Post Fiend
Joined: Oct 2007
Posts: 10,501
Likes: 5
From: Faibanks Ak.
Pretty much all truck lites built for the last quite a few years are sealed units and are way better than the old change a bulb type. If you used trucklite brand they wil have the same style light in the led's. Most truck and trailer suppliers and a lot of truckstops carry trucklites.
Post Fiend
Joined: Nov 2003
Posts: 21,285
Likes: 15
From: Nutter Fort, WV
A dump truck with the tail gate banging, LED's are the only way to go.
Regular filament bulbs, they last for a week or two.
Be sure to grease the connector, water and corrosion in the pigtail connector kills most of those lights before the bulb burns out.
Regular filament bulbs, they last for a week or two.
Be sure to grease the connector, water and corrosion in the pigtail connector kills most of those lights before the bulb burns out.
Fleet Owner
Joined: Jul 2006
Posts: 20,360
Likes: 821
From: Mi'kma'ki
well this has the swinging/side to side/locking- 50/50 stake rack rear gate,so this shouldn't be a problem for the rear lites.
yes.i ordered all 11 pigtails.they where totally shot.
im going to grease them, then seal them up with the marine adhesive iv got left over.
yes.i ordered all 11 pigtails.they where totally shot.
im going to grease them, then seal them up with the marine adhesive iv got left over.
Senior User
Joined: Apr 2008
Posts: 448
Likes: 0
From: Iowa
I always used to shift my IDI at 2000. But I have noticed, it seems to "glide" right down the road shifting at 15-1700. If the engine isn't fully warmed up I keep it down there.
When I'm in a hurry (or towing heavy) I take it to 3300, sometimes 3500.
When I'm in a hurry (or towing heavy) I take it to 3300, sometimes 3500.
Fleet Owner
Joined: Jul 2006
Posts: 20,360
Likes: 821
From: Mi'kma'ki
man i was dreaming i was out riding mine.
some guys talking on this forum, got me so worried thats she's going to be doggy while hauling a load with no turbo......i was making her talk at 3-3500 and could hardly keep going down the road at 35 lol.
some guys talking on this forum, got me so worried thats she's going to be doggy while hauling a load with no turbo......i was making her talk at 3-3500 and could hardly keep going down the road at 35 lol.
Posting Guru
Joined: Apr 2008
Posts: 1,614
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as for me i know im taking a big risk with what i do, but here the thing when i have done it its only run up that high for a few seconds then shift, it not like i go down the road for miles taching 4000+ that would blow the hell out of a motor, and ins not likt i tow and hold it to 4500 rpm for miles that would also blow it sky high and possibly injure me and others
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Cargo Master
Joined: Oct 2008
Posts: 3,330
Likes: 13
From: Eaton, CO
Post Fiend
Joined: Nov 2003
Posts: 21,285
Likes: 15
From: Nutter Fort, WV
Way back when I still had the NA 6.9, I went down to the southern part of WVa to pick up a Kubota KX 121 mini excavator.
Gross was around 20,000 pounds, 135 miles from home on a road that don't have a flat place on it and several mountains to cross.
Yes I may have only be going 40 MPH in a couple places, but we made it home.
I have said it before, I might not be the first one there, but I always made it there and back.
Gross was around 20,000 pounds, 135 miles from home on a road that don't have a flat place on it and several mountains to cross.
Yes I may have only be going 40 MPH in a couple places, but we made it home.
I have said it before, I might not be the first one there, but I always made it there and back.
Lead Driver
Joined: Apr 2008
Posts: 6,938
Likes: 13
I think i may have the high altitude version. 89 7.3, thing has gobs of power down low, but acceleration kinda starts dropping off around 2300. Its N/A and doesnt smoke at all unless you lug it under 1k (im at 4700' elevation btw) . Which is kinda why im leaning towards the high alt. version. Also, this thing is way louder than my dads 7.3... im wondering if maybe the timing is off. It sounds like a cold 7.3 psd... way louder than our 6.0. ZF-5 and 3.55's with 33 inch rubber, it will pull a 6% grade in OD but the thing is slow accelerating. It seems slower than my 400 at least according to the butt dyno even tho it pulls way better on hills and flat out driving. And according to my number punching my 400 shoulda been in the 160 HP area, and the 7.3 ought to be around 185.
Posting Guru
Joined: Apr 2008
Posts: 1,614
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I think i may have the high altitude version. 89 7.3, thing has gobs of power down low, but acceleration kinda starts dropping off around 2300. Its N/A and doesnt smoke at all unless you lug it under 1k (im at 4700' elevation btw) . Which is kinda why im leaning towards the high alt. version. Also, this thing is way louder than my dads 7.3... im wondering if maybe the timing is off. It sounds like a cold 7.3 psd... way louder than our 6.0. ZF-5 and 3.55's with 33 inch rubber, it will pull a 6% grade in OD but the thing is slow accelerating. It seems slower than my 400 at least according to the butt dyno even tho it pulls way better on hills and flat out driving. And according to my number punching my 400 shoulda been in the 160 HP area, and the 7.3 ought to be around 185.
Post Fiend
Joined: Oct 2007
Posts: 10,501
Likes: 5
From: Faibanks Ak.
At 4700 ft the air is thinner so your compression ratio is less than sea level. A turbo changes this but if all things are equal it is impossible to have the same power as it will be at sea level with any motor. Also a 6.9 has it's peak torque at 1400 rpm and although more rpms gains horsepower it is not the same it will feel different after you pass 1400 rpm.
I'm not sure where peak torque is on a 7.3 but it can't be a lot different.
If I remember the numbers right you lose a 1/2 pound compression for every 1000 ft in elevation above sea level so you are 2 and 1/4 pounds less compression than you would be at sea level and a turbo is the only way to get that back.
I wish I knew more about the IPs and exactly what the difference is it has to be either a difference timing curve or fuel delivery or even a combination of both.
If a guy had the understanding of the pump itself and the ability it would be possible to dial it in for the location you live in but it likely would be worse in a different location, so what we end up with is a comprimise so that we can travel anywhere.
I'm not sure where peak torque is on a 7.3 but it can't be a lot different.
If I remember the numbers right you lose a 1/2 pound compression for every 1000 ft in elevation above sea level so you are 2 and 1/4 pounds less compression than you would be at sea level and a turbo is the only way to get that back.
I wish I knew more about the IPs and exactly what the difference is it has to be either a difference timing curve or fuel delivery or even a combination of both.
If a guy had the understanding of the pump itself and the ability it would be possible to dial it in for the location you live in but it likely would be worse in a different location, so what we end up with is a comprimise so that we can travel anywhere.
Lead Driver
Joined: Apr 2008
Posts: 6,938
Likes: 13
At 4700 ft the air is thinner so your compression ratio is less than sea level. A turbo changes this but if all things are equal it is impossible to have the same power as it will be at sea level with any motor. Also a 6.9 has it's peak torque at 1400 rpm and although more rpms gains horsepower it is not the same it will feel different after you pass 1400 rpm.
I'm not sure where peak torque is on a 7.3 but it can't be a lot different.
If I remember the numbers right you lose a 1/2 pound compression for every 1000 ft in elevation above sea level so you are 2 and 1/4 pounds less compression than you would be at sea level and a turbo is the only way to get that back.
I wish I knew more about the IPs and exactly what the difference is it has to be either a difference timing curve or fuel delivery or even a combination of both.
If a guy had the understanding of the pump itself and the ability it would be possible to dial it in for the location you live in but it likely would be worse in a different location, so what we end up with is a comprimise so that we can travel anywhere.
I'm not sure where peak torque is on a 7.3 but it can't be a lot different.
If I remember the numbers right you lose a 1/2 pound compression for every 1000 ft in elevation above sea level so you are 2 and 1/4 pounds less compression than you would be at sea level and a turbo is the only way to get that back.
I wish I knew more about the IPs and exactly what the difference is it has to be either a difference timing curve or fuel delivery or even a combination of both.
If a guy had the understanding of the pump itself and the ability it would be possible to dial it in for the location you live in but it likely would be worse in a different location, so what we end up with is a comprimise so that we can travel anywhere.
Fleet Owner
Joined: Jul 2006
Posts: 20,360
Likes: 821
From: Mi'kma'ki
here,its claimed the same between the 6.9 and 7.3
if this is accurate,then they probably share the same cam.
7.3 L IDI Diesel Specs & Information
if this is accurate,then they probably share the same cam.
7.3 L IDI Diesel Specs & Information